/Engine/Plugins/Experimental/ChaosVD/Source/ChaosVD/Public/ChaosVDPlaybackController.h
Gets the index number of the last step available (available steps -1)
Number of the last step
int32 GetTrackLastStepAtFrame ( [EChaosVDTrackType](API\Plugins\ChaosVD\EChaosVDTrackType) TrackType, int32 InTrackID, int32 InFrameNumber ) const